IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 956

CREATE TABLE LIKE "table-controlled partitioning" should create the table with same partitioning scheme and rules

When a table that uses table-controlled partitioning is identified in the LIKE clause, the new table should automatic inherit the partitioning scheme of that table and create an uts PBR.
about 1 month ago in Db2 for z/OS 0 Under review

Allow a Db2 z/OS Server to request clients set other JDBC Data Server Driver parameters, such as minTransportObjects or maxTransportObjects

In FL502 of Db2 13, IBM offers MODIFY DDF with the "RQSTWLB" option which allows the Db2 server to tell clients to enable Sysplex Workload Balancing (enableSysplexWLB=true) as long as the client doesn't explicitly set WLB to "false". It would be b...
about 2 months ago in Db2 for z/OS 2 Under review

Db2: Recovery of Mainframe Db2 databases without applying changes.

When the DB2 is performing a recover it uses log and copy files, it may be some sitations where the log contains changes that we dont want to restore. For exemple we may have inserts made by an authorized program and also updates performed by an u...
about 2 months ago in Db2 for z/OS 0 Under review

LOAD Replace improvement for RI tables

We had a Db2 DDL change where a new table "b" was created with a RI constraint to a parent table "a" which was also modified (DROP/CREATE). Table "a" had several rows which were unloaded before the change and loaded back after the DDL changes (LOA...
2 months ago in Db2 for z/OS 0 Under review

CANCEL THREAD Enhancement - to cancel threads by specifying a SCOPE(ssid)

This will help in cancelling of threads running in any of the LPARs in a Parallel Sysplex. Currently, DISPLAY THREAD supports SCOPE(GROUP). So, this would be a good feature to have. These can be very useful during IPLs when some thread is holding ...
3 months ago in Db2 for z/OS 1 Not under consideration

Update DB2 (DDF) to use a stronger Hash Algorithm in the DDF global authentication cache feature

Presently, DB2 DDF is using MD5 Hashing in the DDF global authentication cache feature. This hashing cipher is long considered weak and guidance is that it should no longer be used. We ask IBM to consider a change to DB2 to up level this feature t...
4 months ago in Db2 for z/OS 0 Future consideration

DB2 IFI306 metrics

With out IFCID 306 log read metrics, it is difficult assess capture task efficiency and performance
4 months ago in Db2 for z/OS 0 Future consideration

Monitor thread causing DB2 abend

Hi Team, We had a Db2 system abend for production environment because of QUERY ON BLOCKING_THREADS has cancelled . We had a business impact for this. If we can monitor such thread proactively before it get cancel, then it may save us from DB2 aben...
6 months ago in Db2 for z/OS 1 Functionality already exists

Add flag field to IFCID 402 to indicate when a reset has occurred.

In Db2 Version 13 and V12 (with APAR PH50729), Db2 resets IFCID 402 statistic counters immediately if the warning or exception threshold for the associated profiles is changed when you issue a START PROFILE command. It’s difficult to tell if the c...
6 months ago in Db2 for z/OS 1 Not under consideration

Add SET CURRENT QUERY ACCELERATION WAITFORDATA setting into Profile Table in Db2 for z/OS

When Waitfordata setting is required for HTAP queries in IDAA for dynamic SQLs, waitfordata should be defined either in zPARM or as a register setting in application before the SQL statement which requires application change. It would be better to...
6 months ago in Db2 for z/OS 2 Functionality already exists

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